package com.wuyou.designPatterns.uml.extend;

public abstract class ParentClass {

    private String filed1;
    private static String filed2;
    public abstract void methodA();
    public void methodB(){System.out.println("hello world!");}
}
class ChildClass extends ParentClass{
    @Override
    public void methodA() {}
    static void methodC(){}
}
